From: Aaron Patterson <redmine@...>
Date: 2010-07-13T06:06:58+09:00
Subject: [ruby-core:31224] [Bug #3561] ruby-1.9.3-r28570 test/unit gem activation failure

Issue #3561 has been updated by Aaron Patterson.


I don't believe this is a bug.

The problem is that gem prelude prefers files installed as gems over files from stdlib.  That behavior is opposite of rubygems.

The code you've listed works in 1.8.* because test/unit and the testrunner ship with 1.8.

The code you've listed works in 1.9.1 because gem prelude behaves opposite to rubygems.  In 1.9, you must install the 'test-unit' gem, and since gem prelude prefers gem files over stdlib files, your require succeeds.

Evan has restored rubygems to work "how it's supposed to work", so I believe this isn't a bug.  Instead, you should write your code like so:

  require 'rubygems'
  gem 'test-unit'
  require 'test/unit'
  require 'test/unit/ui/console/testrunner'


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